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Muon track v2 #45

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Muon track v2 #45

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amartelli
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This PR is not in high priority, but since it's ready and the output seems reasonable I submit it.

  1. this creates a muon-track collection with
  • all pfMuons ("Selected")
  • a selection of the tracks ("Selected"). Currently:
    => only PFPacked tracks are used, and with nValidHits between 10 and 25
    => with pT/eta range to cover the acceptance table attached (and taken from AN 2008/097)

Screen Shot 2019-09-02 at 10 49 06
I refer to #35
for preliminary studies in support of this.

The DiLepton and B candidate builder are slightly adapted to deal with the muon-track lepton pair instead of the Lepton pair. But minor modifications only: the full logic is unchanged and no duplication of modules seemed needed.

I tested on MC: BToKmumu (non resonant). Following plot is the B invariant mass, with some selections to enhance the signal.
Color code: red = inclusive; green = both leptons are pfMuons; blue = at least one lepton is from track collection
BToKMuMu

Same for MC resonant: BToK(JPsi)mumu
BToJPsimumu

Final remark: I started from the branch with the "tuned selections". So this branch is not to merge directly in any case, a rebase on water master branch will be agreed is needed.

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